{THREE ALARM FUNCTION SETTINGS}: You can set 3 sets of alarms as an alarm clock, each alarm sounds for 1 minute, ensuring that even the deepest sleeper can wake you up. {SOUND CONTROL}: Displays the time, temperature and humidity in easy-to-read digits, LED display by voice command or touch with acoustic sensor. {ADJUST BRIGHTNESS}: The alarm button adjusts the brightness from bright to dark. It is easy to use at night, which is good for your eyesight. {DUAL POWER SUPPLY}: Powered by AAA battery (not included) or USB charging, a USB cable is included < p>{CUSTOMER SERVICE}: If you have any problems with our products and services, please feel free to contact us. We are always here for you.